Variable height desk



FIG. 1 is a perspective view of a variable height desk in a lowered position;

FIG. 2 is a front view of the variable height desk in the lowered position;

FIG. 3 is a rear view of the variable height desk in the lowered position;

FIG. 4 is a left-side view of the variable height desk in the lowered position;

FIG. 5 is a right-side view of the variable height desk in the lowered position;

FIG. 6 is a top view of the variable height desk in the lowered position; and,

FIG. 7 is a perspective view of the variable height desk in a raised position.

The broken lines in the drawings depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a variable height desk, as shown and described. 